| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | Finland | 4 | |
| #4 | Israel | 4 | |
| #5 | Norway | 4 | |
| #6 | United Kingdom | 3 | |
| #7 | Ireland | 3 | |
| #8 | New Zealand | 3 | |
| #9 | United States | 3 | |
| #10 | South Africa | 3 | |
| #11 | Denmark | 2 | |
| #12 | Brazil | 1 | |
| #13 | Canada | 1 | |
| #14 | China | 1 | |
| #15 | German Democratic Republic | 1 | |
| #16 | Hungary | 1 | |
| #17 | Mexico | 1 | |
| #18 | Poland | 1 | |
| #19 | Portugal | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Slegers John | 26 |
| #2 | Breslau Barry Richard | 12 |
| #3 | Breslau Barry R | 4 |
| #4 | Down Peter Ernest | 4 |
| #5 | John Slegers | 3 |
| #6 | Siegers John | 1 |
| #7 | Agranat E | 1 |
| #8 | Down Peter E | 1 |
| #9 | Barry Richard Breslau | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4986918A | Membrane separation system and method of operation | |
| GB8908086D0 | Membrane separation system and method of operating same | |
| IE890883L | Membrane separation systems | |
| IE890882L | Multiple membrane separation systems | |
| GB8807825D0 | Multiple membrane filtration systems | |
| GB8628317D0 | Ultrafiltration systems | |
| US4435289A | Series ultrafiltration with pressurized permeate | |
| US3722694A | Filtration device |